University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 14 Resistance Network
Solution to Lab Quiz Problem 14.1(Why Kirchhos Loop Equation True?)
Problem: Which of the following laws or principles is true primarily because the total w
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 18 Adding Magnetic Fields
Solution to Lab Quiz Problem 18.1(RHR example)
Problem: You draw a coordinate system with + pointx ing to the right of the page and + pointing into the
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 26 Optical Elements
Solution to Lab Quiz Problem 26.1(Wavelength of Orange Laser)
Problem: Orange light with wavelength 600nm in vacuum is incident on a material with index of re
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 19 Force and Torque
Solution to Lab Quiz Problem 19.1(Wire Floating in Magnetic Field)
Problem: A long wire carries Ilw = 2.0 103A down the x axis. A wire segment of length 20.0c
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 21 Inductance
Solution to Lab Quiz Problem 21.1(Current Needed to Double the Energy Stored by an Inductor)
Problem: When a current I ows through a given inductor, the inductor ca
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 22 RL Circuits
Solution to Lab Quiz Problem 22.1(Eect of a Loop on Another Loop)
Problem: Loops 1 and 2 are parallel. Immediately after the switch is closed, what happens to loop
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 17 Magnitude of Magnetic Field
Solution to Lab Quiz Problem 17.1(Relative Magnitude of Current Elements Placed Around Circle)
Problem: In the gures below, all the current element
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 15 Conductor in Electric Field
Solution to Lab Quiz Problem 15.1(Time Constant of Human Body)
Problem: Your skin resistance is about 5000 and your capacitance is about 100pF. Wha
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 13 Resistance Networks
Solution to Lab Quiz Problem 13.1(Voltage Across a Device in a Series Circuit Given the Voltage Across the Other Device and the Battery)
Problem: Two devic
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 12 Capacitance
Solution to Lab Quiz Problem 12.1(Energy of Earth)
Problem: Modelling the Earth as isolated spherical conductor with radius 6.4 106m and electric eld of 150 N C do
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 6 Spherical Systems
Solution to Lab Quiz Problem 6.1(Flux Through Hoop Normal Perpendicular)
Problem: A hula hoop of radius 1.0m is in a uniform electric eld with magnitude 1.0 1
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 11 Potential Dierence
Solution to Lab Quiz Problem 11.1(Sign of Potential Energy Given Work)
Problem: If an external agent does positive work on a system, what happens to the pot
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 20 Faraday
Solution to Lab Quiz Problem 20.1(Which hoop has zero ux?)
Problem: The gures below show the side view of a circular hoop in a uniform electric eld. Which gure below h
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Lab Quiz 23 Exam III Review
Solution to Lab Quiz Problem 23.1(What is dl?)
Problem: Amperes law states that B d = 0Iencircled
C
What is d? Select One of the Following: (a) A segment of th
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 23 Optical Systems
Solution to Homework Problem 23.1(How long to accelerate to light speed?)
Problem: A problem you should have easily been able to do in UPI, but I get asked it
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 22 Optical Elements
Solution to Homework Problem 22.1(Describe Image from Magnication)
Problem: An image has magnication 0.5. Which of the following describes the image? Select O
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 21 Light
Solution to Homework Problem 21.1(Wavelength of AM Radio)
Problem: The rock AM station out of Canada that I listened to while growing up in Michigan had a frequency of 1
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 19 RL Circuits
Solution to Homework Problem 19.1(Resistance Given Time Constant)
Problem: A RL circuit has a time constant, , of 40s and an inductance, L, of 3H what is the resis
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 18 Inductance
Solution to Homework Problem 18.1(What Makes Second Speaker Work?)
Problem: In lab, the second speaker we built was made with a xed magnet and a coil attached to a
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 17 Faradays Law
Solution to Homework Problem 17.1(Trajectory of Particle in Magnetic Field)
Problem: A proton has velocity 3 107 m in the direction drawn s when it passes through
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 16 Magnetic Force and Field
Solution to Homework Problem 16.1(Interaction of Point Charges)
Problem: A proton with charge (+e) is xed at the origin. An electron with charge (e) i
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 15 Adding Magnetic Fields
Solution to Homework Problem 15.1(The Magnetic Field Direction Due to Two CurrentCarrying Wires at a Given Point)
Problem: The gure shows two currentca
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 14 Introduction to Magnetic Fields
Solution to Homework Problem 14.1(Magnetic Field of Pith Ball)
Problem: A pith ball is charged with an electrophorus to 1nC and shot along the
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 13 RC and Review for Exam 2 (Required but not Collected)
Solution to Homework Problem 13.1(Time Dependence of Decaying Exponential)
Problem: Given the plot below of the voltage a
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 12 Kirchhos Laws
Solution to Homework Problem 12.1(Reduce Resistance Network)
Problem: For the circuit to the right, with R1 = 5.0, R2 = 10.0, and R3 = 15, and V0 = 6.0V. What is
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 11 Beginning Circuits
Solution to Homework Problem 11.1(What is the same in parallel?)
Problem: For a parallel combination of unlike resistors, which of the following is the same
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 10 Computing with Capacitance
Solution to Homework Problem 10.1(Energy of Charged Sphere as Radius is Changed)
Problem: How does the energy of a uniformly charged spherical shell
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 9 Computing Potential Dierence
Solution to Homework Problem 9.1(Gauss Law for Parallel Planes)
Problem: Two innite parallel planes of xed charge 2 and 3 are held a distance d apa
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 8 Computing the Fields of Conductors and Dielectrics
Solution to Homework Problem 8.1(Charge Density on Hubcap)
Problem: A metal hubcap (a conducting metal disk) lays at on the g
University of Arkansas Community College at Batesville
upii2
PHYS 2469

Spring 2010
Solution for Homework 7 Conductors and Dielectrics
Solution to Homework Problem 7.1(How is Field Reduced in a Conductor?)
Problem: Which of the following best describes how a conductor lowers the elec